Nfc mobile phone tag smart ring stainless steel smart wearable ring smart ring nfc-(black 6)-2pcs

Describe: Name: Stainless Steel NFC Smart Ring. Material: Stainless Steel Process: Polishing Size: 8mm Color : steel, black Size: several specifications, directly from the manufacturer, please contact customer service. Or call: 13625794856 Delivery time: Depending on inventory or quantity. of order, try our best to match customer s delivery time! Packaging: Ordinary packing, polybags! ÉCustomized samples: We sell directly from the factory, you can customize with designs and samples! NFC Smart Ring App App; supports the use of the NFC function of Android mobile phones; Product Description: This smart ring is a stylish portable electronic product that connects to your mobile phone. mobile phone through nfc wireless radio frequency communication technology to perform mobile phone function operations and share data.It does not require any power supply and offers sealing performance high level. The ring has a built-in nfc chip, you need the NFC function of the phone to use it. two.